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/*
* Copyright (C) by Argonne National Laboratory
* See COPYRIGHT in top-level directory
*/
#include "mpi.h"
#include "mpitestconf.h"
#ifdef HAVE_IOSTREAM
// Not all C++ compilers have iostream instead of iostream.h
#include <iostream>
#ifdef HAVE_NAMESPACE_STD
// Those that do often need the std namespace; otherwise, a bare "cout"
// is likely to fail to compile
using namespace std;
#endif
#else
#include <iostream.h>
#endif
#ifdef HAVE_STRING_H
#include <string.h>
#endif
#include "mpitestcxx.h"
static char MTEST_Descrip[] = "Test of Win_get_group";
int main(int argc, char *argv[])
{
int errs = 0;
int result;
int buf[10];
MPI::Win win;
MPI::Group group, wingroup;
int minsize = 2;
MPI::Intracomm comm;
MTest_Init();
/* The following illustrates the use of the routines to
* run through a selection of communicators and datatypes.
* Use subsets of these for tests that do not involve combinations
* of communicators, datatypes, and counts of datatypes */
while (MTestGetIntracommGeneral(comm, minsize, true)) {
if (comm == MPI::COMM_NULL)
continue;
win = MPI::Win::Create(buf, sizeof(int) * 10, sizeof(int), MPI::INFO_NULL, comm);
wingroup = win.Get_group();
group = comm.Get_group();
result = MPI::Group::Compare(group, wingroup);
if (result != MPI::IDENT) {
errs++;
cout << "Group returned by Win_get_group not the same as the input group\n";
}
wingroup.Free();
group.Free();
win.Free();
MTestFreeComm(comm);
}
MTest_Finalize(errs);
return 0;
}
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